Calculating Mechanical Advantage Inclined Plane, Pulley, Lever.

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Presentation transcript:

Calculating Mechanical Advantage Inclined Plane, Pulley, Lever

Mechanical Advantage- Inclined Plane Mechanical Advantage = distance height distance height

Now show me what you have learned!

What is the mechanical advantage of a ramp that is 10 meters long and 2 meters high? 10 meters 2 meters A. 20B. 5 C. 0.2D. 10

What is the mechanical advantage of a ramp that is 12 meters long and 4 meters high? A. 3B. 48 C. 4D. 0.3

Mechanical Advantage- Pulley MA = count the # of “supporting ropes”

Now show me what you have learned!

What is the mechanical advantage of the pulley A, B, and C ? E E E AB C MA = 3 MA = 4 MA = 3

Mechanical Advantage- Lever MA = distance of the EFFORT arm distance of the RESISTANCE arm MA = Output Force (Newtons)___ Input Force (Newtons) Effort arm = INPUT FORCE Resistance arm = OUTPUT FORCE

What is the mechanical advantage of the lever below? 2 cm4 cm A. 8B. 0.5 C. 2D. 4 MA = distance of the EFFORT arm distance of the RESISTANCE arm

What is the mechanical advantage of the lever below? 5 cm 10 cm A. 5B. 0.5 C. 2 D. 50 MA = distance of the EFFORT arm distance of the RESISTANCE arm

What is the mechanical advantage of the lever below? 30 N 60 N A. 180B. 20 C. 30D. 2 MA = Output Force (Newtons)___ Input Force (Newtons)

What is the mechanical advantage of the lever below? 5 N 20 N A. 4B. 100 C. 5D MA = Output Force (Newtons)___ Input Force (Newtons)